The basic principle of the system lies in feeding back the output power at the motor slip rings of an AC motor into the mains through a bridge rectifier and an inverter.

其基本原理是将交流电机的滑环输出功率通过整流电桥和有源逆变器送回交流电网。

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Monomotor bogies, where both axles of the bogie are driven by a single motor, often encounter torsional resonances, which lead to periodic longitudinal slip.

对于单马达转向架，转向架上的两根轴由同一个马达驱动，常常会遇到扭转的共振，这将导致周期性的滑动。

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Slip-ring motor can be used in conjunction with time delay relays for floor operated cranes to improve their travelling quality during start and inching.

为改善地面操作起重机的起动、点动运行性能，可选用绕线型电动机加外延时继电器控制。

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Rosen cautioned that consumption may slip in the second quarter because so many of the gains in the first quarter came from motor vehicle purchases, but he said that the trend should remain up as long as consumers perceive that future income growth can subsidize current consumption.

FORBES: INTERVIEW: U.S. To Continue To Grow, Albeit Slowly, In Second Quarter -- Briefing Research's Rosen